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32120021131007 = 712141566937273
BaseRepresentation
bin1110100110110100001100…
…11100110001111011111111
311012201122101111110210020112
413103122012130301323333
513202223300402143012
6152151422313340235
76523411031566145
oct723320634617377
9135648344423215
1032120021131007
11a26402a619aa7
1237290aa10767b
1314bcb9c378b24
147d088dcc3595
153aa7aea33122
hex1d3686731eff

32120021131007 has 16 divisors (see below), whose sum is σ = 32594252281920. Its totient is φ = 31646402860800.

The previous prime is 32120021130997. The next prime is 32120021131049. The reversal of 32120021131007 is 70013112002123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32120021131007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120021131057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861731723 + ... + 861768995.

It is an arithmetic number, because the mean of its divisors is an integer number (2037140767620).

Almost surely, 232120021131007 is an apocalyptic number.

32120021131007 is a deficient number, since it is larger than the sum of its proper divisors (474231150913).

32120021131007 is a wasteful number, since it uses less digits than its factorization.

32120021131007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45154.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 32120021131007 in words is "thirty-two trillion, one hundred twenty billion, twenty-one million, one hundred thirty-one thousand, seven".

Divisors: 1 71 2141 5669 37273 152011 402499 2646383 12137329 79801493 211300637 861750359 5665906003 15002345227 452394663817 32120021131007